There are 4 owner-reported body & structure complaints for the 2008 Mercury Marinerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE TAILGATE HINGES ARE BREAKING THAT HOLD THE REAR WINDOW, THIS IS A SAFETY HAZARD THE WINDOW WILL FALL OUT AND COULD HIT ANOTHER VEHICLES WINDSHIELD. THERE ARE NUMEROUS COMPLAINTS REGARDING THIS ISSUE, WHEN YOU GO TO DEALER THEY WANT 320.00 TO REPAIR AND SAY THEY SELL MANY OF THESE BRAKETS IT REALLY SHOULD HAVE BEEN RECALL. WE HAVE TWO CARS WITH SAME DEFECT.
TL* THE CONTACT OWNS A 2008 MERCURY MARINER. THE CONTACT NOTICED THAT THE SUBFRAME NEAR THE REAR TIRES WAS CORRODED. THE VEHICLE WAS TAKEN TO A COLLISION CENTER AND THE INSPECTOR STATED THAT THE FRAME ABOVE THE REAR TIRES WAS MANUFACTURED WITH A FOAM LIKE SUBSTANCE. WHEN IT RAINED OR WHEN THE VEHICLE WAS WASHED, THE SUBSTANCE WOULD ABSORB THE WATER AND CAUSED THE CORROSION TO SPREAD INSIDE OUT. THE INSPECTOR ALSO STATED THAT THE BUMPER COULD EVENTUALLY SEPARATE FROM THE VEHICLE. THE MANUFACTURER WAS AWARE OF THE FAILURE, BUT WOULD NOT COMPENSATE THE CONTACT BECAUSE THERE WERE NOT ENOUGH COMPLAINTS REGARDING THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 66,000.
LARGE RUSTING AREAS IN BACK SEAT DOORS, REAR WHEEL WHEELS AND TAILGATE. CONCERN LIES WITH RUST THAT CANT BE SEEN WEAKENING STRUCTURAL INTEGRITY OF DOORS AND/OR WHEEL WELLS AND/OR TAILGATE. FIRST NOTICED BLISTERING PAINT IN 2011 AND THE PROBLEM HAS GROWN SINCE. WARRANTY WAS OF NO HELP. HAVE NOTICED SIMILAR PATTERNS ON NUMEROUS MARINERS OF SIMILAR MODEL YEARS, SO THIS HAS TO BE A MANUFACTURER DEFECT OF SOME KIND. AGAIN CONCERN LIES MOSTLY WITH RUST THAT CAN'T BE SEEN. *TR
TL*THE CONTACT OWNS A 2008 MERCURY MARINER. WHILE DRIVING APPROXIMATELY 15 MPH, THE FRONT DRIVER'S SIDE DOOR FELL OFF THE VEHICLE. THE CONTACT HAD TO PULL THE VEHICLE OVER AND TEMPORARILY TIE THE DOOR WHILE DRIVING THE VEHICLE HOME. THE VEHICLE WAS TOWED TO THE DEALER AND THEY STATED THAT IT WAS DUE TO A MANUFACTURER DEFECT AND WAS INSTALLED INCORRECTLY. THEY REPLACED THE DRIVER'S SIDE UPPER HINGE UNDER WARRANTY, BUT THE CONTACT BELIEVES THAT THE FAILURE SHOULD BE RECALLED. THE CURRENT AND FAILURE MILEAGES WERE 35,800. UPDATED 3/16/09 *CN UPDATED 03/19/09.*JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026